Umbrella bracket



FIG. 1 is a front, right side, top perspective view of an umbrella bracket showing my new design;

FIG. 2 is a left side, bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a cross-sectional view thereof as taken along the lines 9-9 in FIG. 7.

The broken lines depict portions of the umbrella bracket that form no part of the claimed design. 

CLAIM The ornamental design for an umbrella bracket, as shown and described. 